Engadget - Last year, Google launched its PageSpeed Service, aiming to improve our experience across the web while reportedly deferring its own financial interests. The concept was sound -- similar services like Akamai work to accelerate web browsing by caching pages in much the same way -- but there's always room for improvement. The latest PageSpeed beta uses some straightforward techniques to improve performance even further, using a new rewriter called "Cache and Prioritize Visible Content."
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